Automatic gun



July 11 1944 l. s. TISDALE, sR 2,353,601

AUTOMATIC GUN Filed March 21, 194l 3 Sheets-Sheet l llil fr@ 1 2 [in :a6 ma l ATTORNEYS July 11, 1944. y s. TlsDALE, sR 2,353,601

AUTOMATIC GUN .July 11,1944 1 SJISDALE, sR 2,353,601

AUT OMAT I C GUN Filed March 2l. 1941 3 Sheets-Sheet 3 551927 11 7259??- 13 ll l 62 13 INVENTOR ATTO R N EYS Patented July il, 1

"UNITED sfrAiEs PATENT voi-"rics Leo S. miele 11, Medien Application March 21,`

A i l 3, claims? inventlonrelates to automatic guns and has for cartridges equal in number to the number of bar;

an object to provide a multiple barrel gun- V l and ammunition clips for holding a plurality of ion, sensi No. 384,555

line 5,-,5 of `Figure 1, looking in the direction of the arrows and showing the cartridge clips and ejector in 'rear elevation.

' YFigure 6; isv a cross'sectlonal view. taken on the rels so that a plurality oi projectiles will be disg line 6er-,6 of' 1 showing `the firing pin carcharged at each actuation of the ring pin. riet controllingspring. A further Objectis to provide jagun having an Figure 7 is. a cross"` sectional view taken on the elector in the nature of a plungeradaptedto be linev 1.-1, o f` Figure 4, showing the chambers of slid transversely into the patnof the cari-,ridge .tour barrels in rear elevation and showing the cup dislodged by gas rearwardly after eaenexlo ses passage for` conducting explcdedgsases into ploslon and eject the used clip through` the side the elector for assisting in electing@ Used Care of the reiver. trldge clip. l

' A further object is to provide a gun having a sta- Fiis'ure 8 isl a longitudinal sectional view taken tionary triangular can-iV coacting witha spring on the line 8-8 0f- Fgure 4:, looking in the controlled lever for effecting forward and retroillIi dlretiOn'Of the arrow. and showing the triangugrde sliding movement'of theejectorj lar stationary cam andl coactlng pin of the elector A further object is to provide a gun having a for'actuatlng the ejector. controlling spring for moving the nringpin to Figure 9 is a cross sectional view taken on the operative position in predetermined spaced` rela-V line 9-1-9 0f Figure 4, IOORIIE in the dieCtOn 0f tion tothe cartridge clip in the chamber.,V indethe arrows, showing the pin of the ejector against `pendently of the firing pin carrier.` l i the rear side of the triangular cam and holding `A further object is to provide a gun having a the ejectorl guide casing, firing pin carrier and tiring pin'carrierV movable rearwardly as a unit firing pin against forward movement until the with the nrlng pin from operative `position in thel ejector is completely withdrawn laterally out or receiver to permit the ejector to Afunction.. thereceiver. A l

A further object is to provide a device of this Figure 101s a t0n plan view of the triangular character which will be formed of a few. strong, I cam. n l simple and `durable parts, which will be inexpenl Figure 11 isza cross sectional view o f the cam sive to manufacture, and whichrwill not easilyget taken 0n the line 0f Figure 10 out of order. 30 r Figure 12 isa detail perspective view of the *With the above and other objects in view,` the rin'pin. l invention consists of certain novel details ofrcon- Figure 13 is a detail pelpetve VleW 0f the struction and combinations of parts hereinafter elector. Y fully described and claimed, it being understood Figure 14 isa rr elevation of the barrels and that various modifications may be `resorted to a cartridge lpshowing the das passages therein. s within the scope of the appended claims without Eigure 15;. isy an enlargediragrnentary longi- `departing from the spirit or sacrificing any of i tudinal: sectional view showing a cartridge clip the advantages of the invention. e lnterflttlngfwith the rear end of the barrels of In the accompanying drawings forming a part thegun. of this specication: e j 40 Referring now to the drawings in which like -Figure 1 is airagmentary longitudinal sectional characters'ot reierence designate similar parts view of a gun constructed in accordance with the in the variousy views, in` the present embodiment invention showing a loaded clip in the chambers of. the invention the gun is shown as having four of the barrels and showing the tiring pin in norintegral barrels I0, although any number of barmal position. rels may. be. employed. The barrels are mounted Figure'Z is a longitudinal sectional view ofthe stationary in aV suitable body `II which extends gun taken on the line 2-2 of Figure 1 witnthe rearwardly of the barrels and terminates in aparts in the same position as shown inFisure 1 stock I2. The body is provided on one side with and also showing the ejector in top plan. an integralV casing I3, best Vshown in Figures 2 Figure 3 is a fragmentary longitudinal see- 50 and4. fThebodyls provided .with a longitudinal tional view of the gunrwith the parts invloading cavity `I l` which,- togetherwith the casing I3, position. r houses the gun` mechanism. Thev body is pro- Figure 4 is a longitudinal sectional view taken vided" onf the underneath side with a magazine on the line 4--4 of Figure 3.- l I5 inwhieh loaded cartridge clips I6. are stacked Figure 5 is a erosssectional view taken on the 55 in a vertical row and-fed'upwardly by a spring opposite the ejector-Y 1 y V 'i A VY'aer'sreor Y l1 bearing against the removablebottom i8 of the magazine and against the lowermost loaded j clip.Y y yIn the present embodiment of thefinvention,V

longitudinal passagesn therethrough which re- Y duce the-weight thereof. The clip is provided at its forward end with-a tongue 23 whichis adapted -to enteragroovez'in a chamber 25A which isV tegral with *all of, the barrels Ato permit the1 5 m'agazine, vand shoves the cartridge clip home to iiringppfsition-l aS best Shown in Figure 2. Durclip to interilt'Y withy the chamberandbereinforced againstY being damaged by' the'xiolodig' gases. The back plate of the clip `is provided withv p.

a pluralityjof openingszl through whichrespecf tive points 21 on a'ringfpin 28 project im- 20 pinge against the detonatingcapslin the bases'of y v*the cartridges.` fr f 1 As best shownin Figure'4fI asingIeJelQngated casingz` is mounted'foroendwise sliding `move-v 4mentfin the recess I4 ofthe'body Il.. The'rear Q5 end of the casing'formsa"'ring'pin carrier 3|l',v` r

y its intermedite portion forms v'areceiver 3|; and" 'the`forward end of the casingextends alongthe integral barrels I0 and iis `providedwith a long i- Y movementfofthe casing islimited by; thelendsof Y tifiefcasing` Vcontaeicting the front and rear` end. 'wallsf34'and'offthegcavity I4. :'.The'casingis .f .provided with fan 'integrabejectr housngf 35 35:01' thecasingfz-zsfandat itsforwai'dend'communiwhich extendstransversely in .thercasinglland housesan ejector 31 whiohmoves into the-receiver i 3 I to eject ausedcartridge clip throughY a lungitudinal y'slot 38frmed:in `thegside of thelfbodyV The n ring'plnf 2 8fis substantially rectangular jjincross section;A` as bestshownin' Figure 6.-V 'The 1` firing pinisslidably tted in Vaffllillg pin-[guide 39' in` the "for'r'o'f' aV hollow" rectangular icasing 1 lwlriichis disposed Within an opening -40in" the 45 firing pin carrier iillfas` best shoWninFigure 4.

The guidetravelsas a' unit withzthe singleelongated `casing!! andis providedwith four-longi- Vtudinal grooves, YHelical compression'springs tive projections on the ring pin.

40- The rohamber pens through thelworlring rfiacfeof' the ejector'andldirects'the gas againsttheside of ridge The springsflz 'normally hold the iiring'pin in l A retracted position withgthe aforementioned. points 55 Y Y A single spring 41, V see l11iguresf1- and 6; is mounted` in a groove 48 in the -bodyll for return- Y ingV the casing!!! firing pin and firing pin guide tooperative positionafter each gasimpelled rearwardmovement thereof'.Y One end of the spring is connected to an eye 49 at the front end of the recess and theother end, ofthe `spring is connected f to van eyei carried bya projection l5|Y on the Quring forward .movement o fv the' firing 'fpin and firingfpin guide as'aunimlthe flange 4 4 yon theV ring pin 'guide engagesf the back plate 2|! ofthe cartridge clipwhich' has been fed upwardlyfin'tof the receiver by the spring [1in the 4ing 'initial'fstageswof movement of 'the loadedcar tridgej clip Yto firing` position,` a beveled projec-V t io n; f52 o n the casing 29 enters between the rounded edgesof the loaded A cartli f ge. 'clip' and thenext underneath cartridge clip forces the. clips dQWnW'ard in thmagezin, and flhallyiouges underneathjthe loaded clip'to separatevthe loaded enprromtheenpsjin themagezinesee Figure `1.

which extenoe,loog i;udinallyA ofthe forward one Ycates with theaforesaid passageV 3 2( V'Ihe yD aSSlige 13,2- registersmiththe gasfxportj33 'ata predeterminedistage lof? mvementof. the ej ectonto supply ses: through h "message 56itathihambr-' 54- -a gas, impelled, rearwardly moving .used c art clip to assistfthe` ej eetor in jtcting theclip :Forv controlling movement of the ej ectorea triVV` angular cam- 58, see Figures 4, 9 and `1 0, ismounted stationaryin adepressed portion 59 of the cas-g vprojects downwardly? through a slotV 6 I formed o f sumcienth'eight' to receive thehamm'eLAG, as indicated vby dottedlines; `see' Figure 1;. When l Y the hammer ix'npingesagainst the vrear end of the firingpinfthepoints'll, of the 'iiring";pi`n adl vence beyond the'tlange 'u of the nrinapinifsuidee5V as a mit l The usedatridge "HP- impene rear' an'd entertheopeningszsin the cartridgaclip f' back plate 20 to explodethe cartridges. Immedi- L .,f-j-ately thereafter the hammer will vbe movedfto Ylfeooiged position, see Flgure, bvretrsrademovee Y fuient of .the'fnrmg- @incarner under- @1135 foi-@ 7,0` triangulaream l i8 andjrilealongthe sideofthe 1 j i' exerted thereon byreasoniof therearwardvmovej ment of theicartridgeelip. Atthis tin'iel ther Vsprings 42 which have beenV compressed by the movement offtheiiring pin, return the .firing pin to normalfposition inthe firing pin guide.

at itsforw d', position inthe casing Il tand. is

when thegun' isfflredf-the ejectorand its housing l arelcarriedlbythe elongated casing 29 `r earward1y wardlyby the exploded gases; causes this 'movement of *the elongatedl casing. When the used y lip hafsclearedthechamber 2 5, th'pin Ef ofthe j ejector willjncounter the inclined si'defofthe Y cam thus imparting"transversefmovement vto `the Y jects outwardly beyond the `cam thepassage 56 to the chamber 5l the used cartridge clip through the slot 38 in the 1 gated casing 2s. A helical spring* `between the elongated casing and the lever to retract the elector.

` During retracting movement of the ejector from along the aforesaid transverse side of the cam and holds the elongated casing 29, and parts carried thereby, against being moved forwardly by its controlling spring I1, to permit a loaded clip being fed from the magazine into the chamber 2l. When the pin GII arrives at the longitudinal side of the cam, the controlling spring l1 of the elongated casing 29 quickly moves the elongated casing, tiring pin guide and tiring pin forwardly as a unit past the retracted ejector and shoves home the loaded cartridgeclip from the position shown in Figure 4 to the position shown in Figure 2.

At the end of the longitudinal side of the cam the pin 80 is carried by the forwardly moving ejector 31 into contact with a spring pressed angular gate 61 which is pivoted intermediate its ends in a recess in the inclined side of the cam. The forwardly moving pin trips thegate and moves on to its linut of forward movement to a position in advance of the cam, as shown by dotted lines in Figure 2.

The gate functions as a guide to start the pin Il travelling along the inclined side of the cam when the gun is next fired. In normal retracted position of the ejector, the pin 80 is disposed outwardly of the triangular cam and the gate prosuillciently to interrupt the pin on its rearward stroke and direct it onto the inclined side of the cam.

When the carrier 3i) together with the ejector 21 and its housing have moved to the rearmost position shown at Figure 4, the passage I2 will register with the gas port 33 to supply gas through in the elector ejection of the clip. pivot pin il which to act with the ejector in the A trigger 68 is mounted on a is mounted in a trigger chamber 1l formed in the i5. A sear 1| y the magazine with the trigger and lodges body il in rear of is formed integral against a tooth 12 on a integral with the cocked. A helical spring 14 is secured to the disk 13 and to a pin 15 disposed inthe chamber 1l to rotate thehammer on its pivot pin for firing the gun when the trigger is pulled to release the sear. A helical spring 11 is mounted within the chamber 10 and bears against the sear 1l to hold the sear in position to ride in back of the tooth 12 when the hammer is cocked by retrograde movement of the elongated casing 2l. as previously explained. A

After all the clips in the magazine have been used, the elongated casing 29, nring pinand nring pin guide will be in forward position, see Figure 2. To reload the gun, the elongated casing, tiring pin and firing pin guide must be manually moved back to the position shown in Figure 4. For this purpose a pin 1l is securedfto the side of the elongated casing 2! and projects laterally through a suitable slot in the body Il of the gun. The pin terminates in a knob 1s which may be grasped by the operator and pulled back to withdraw the elongated casing bodily to its rear limit of movement. The knob is held back while the receiver 3l, the pin rides movable as a unit l having a rear ring the operator-supplies the magazine with loaded clips. The uppermost loaded clip will be forced by the spring l1 of the magazine into the chamber 25, see Figure 3. When the operator releases the knob 19, the. spring l1 moves the elongated casing, firing pin and ring pin guide forwardly as a unit to shove home the loaded clip, see Figure 2.

Since the operation of the mechanism has been described as the description of the parts progressed, it isthought that the invention will be Vfully understood without further explanation.

What is claimed is: 1. In a gun of the character described, a body, a barrel on the body, an elongated casing mounted to slide longitudinally in the body, said casing having a rear firing pin carrier portion and a receiver forming a chamber forwardly of the carrier portion for a clip of ammunition, an ejector housing extending laterally from the casingand with the casing, an ejector slidably mounted in the housing movable transversely of the receiver to elect used ammunition from the receiver, a ring pin in the ring pin carrier exposed to exploding gases in the cham- .ber and adapted to impel the elongated casing to operative posithe firing pin and cocked by rearward movement y of the casing.

2. In a gun of the character described, a body, a barrel on the body, an elongated casing mounted to slide longitudinally in the body, said casing pin carrier portion and a receiver forming a chamber forwardly of the carrier portion for a clip of ammunition, a latejector housing integral with the bottom, a ring pin in the firing pin carrier exposed to exploding gases in the chamber adapted to impel the elondisk 13 which is formed hammer I6 to hold the hammer 'gated casing and housing rearwardly as a unit, an ejector slidably mounted in the housing having an actuating pin projecting through the slot, a stationary triangular cam integral with the body having an inclined side adapted to intercept the pin during rearward movement of the elongated casing and housing and move the ejector transversely of the receiver for electing used ammunition, a spring controlled lever pivotally connected to the casing and to the ejector for retracting the ejector into the housing when the pin rides oi the inclined side of the cam. said cam having a transverse side engaging the pin and holding the elongated casing and housing against forward movement until the ejector is completely retracted from the receiver by said lever, and a spring connected to the body and to the elongated casing for moving the casing forwardly when the pin rides olf the transverse side of the cam to dispose the tiring pin in operative position and the ejector in released position.

3. yIn an automatic gun, a body, a barrel fixed on the body and having a breech chamber constructed and arranged to interfit a clip of ammunition, said chamber being formed with a port near the rear end thereof, an elongated casing mounted to slide longitudinally in the body, said cam connected to the body j 

